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AAX Converter

1. Convert AAX to Other Formats +
  1. 1.1 Convert AAX to WAV
  2. 1.2 Convert AAX to M4A
  3. 1.3 Convert AAX to AAC
  4. 1.4 Convert AAX to MP3
2. Convert Other Formats to AAX +
  1. 2.1 Convert MP3 to AAX
3. Tips & Tools for AAX +
  1. 3.1 AAX Converters
  2. 3.2 Play AAX Files
90X faster speed to convert AAX files to any other audio format easily.

How to Convert MP3 to AAX without Any Hassle

by Christine Smith • 2024-01-11 10:28:21 • Proven solutions

"How to convert MP3 to AAX? I wish to change my MP3 files into audiobooks that I could organize and play on the Audible app. Is it possible to perform the activity without any type of damage to the audio quality? If yes, then what is the better platform to convert MP3 to AAX?"

Audiobooks in the AAX format provide a certain kind of convenience to you. You can manage the timeline, audio, amongst other things, which isn’t available with an MP3 file. If you are an avid listener of audiobooks during your leisure time, you would want the AAX format file.

Fortunately, some trustworthy methods offer to convert MP3 to AAX. This article will discuss all the best techniques available to complete the task hassle-free.

Part 1. What Are AAX Plugins

AAX is an out-and-out format for audiobooks available from the audio that you can play on platforms such as Kindle and iOS devices. There are two versions of the AAX format, namely AAX DSP(for HD platforms such as iTunes) and AAX Native(run on any system).

Additionally, there is an option to share or change sessions between the two variations. The AAX plugin comes with a 64-bit processing speed, which presents you with better options such as adding effects and tools to manage during the playback session.

Part 2. How to Convert MP3 to AAX Online Free

Online conversion tools provide a worthy alternative to the user who wishes to convert MP3 audio files into AAX quickly. However, it is vital to note that the online service you are using offers security and safe keep the sound quality. Here we will discuss the top 2 online tools that can convert your MP3 file to AAX for free.


Onlinefreeconvert is a free and user-friendly platform to alter the audio files to the required format. The tool is secure and reduces the storage of the file without compromising on quality.


Please read the following guide to convert MP3 to AAX with Onlinefreeconvert:

Step 1: Enter the URL of Onlinefreeconvert and access the page.

Step 2: Click on the + sign to upload the MP3 audio file.

Step 3: Adjust the Audio Bitrate and select the Output Format as AAX.

Step 4: Click on Start Now to initiate the conversion process.

Step 5: Press the Download button to save the audiobook.

Part 3. How to Convert MP3 to AAC on Windows/Mac

It doesn’t matter if you are converting MP3 audio into an AAC audiobook or editing a different multimedia file. The thing that matters most is receiving the help of a robust tool such as the UniConverter by Wondershare.

It will ensure to preserve the file quality and provide the means to complete the task quickly, thanks to a 30x rendering speed. The program supports version 10.10 or later of macOS X. For Windows, the software is available on all versions starting from Windows 7.

The few in-demand features of the UniConverter are as follows:

  • It supports more than 1000 audio and video file formats.
  • The downloader offers to add any audio file to your PC.
  • You can manage the encoder, sound quality, and the bitrate during the conversion process.
  • Supported OS: Windows 10/8/7/XP/Vista, macOS 11 Big Sur, 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7.

Install the UniConverter on your system. After that, run the program and read through the guide stated below to quickly convert MP3 to AAC. The process will merely take a few minutes to finish.

Step 1 Upload the MP3 Audio.

Click on the Converter tab. Manually drag or add the MP3 file to the interface. It will take a few seconds to complete the uploading process.

Add MP3 files

Step 2 Customize the Settings for AAC File.

Click on the Cog icon and select the AAC as the output audio format. Modify the frame rate, encoder, and audio quality before clicking on Create. Select a new File Location for the AAC audio.

Choose AAC as the output format

Step 3 Start MP3 to AAC Conversion.

Click on Convert and let the program complete the job. You will be able to play the audiobook on any compatible device.

Convert MP3 to AAC


It is better to understand the file format’s mechanics and the tool you would use to convert your audio file before finally starting the conversion process. After reading this guide, now you know how to convert MP3 to AAX/AAC and the main difference between the tools best fit for the job. In the end, the UniCoverter stands out as the better option as the program is desktop-based, powerful, and offers more features.

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Christine Smith

Christine Smith

chief Editor

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